[BEAM-3806] Fix direct-runner hang#4829
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bjchambers merged 3 commits intoapache:masterfrom Mar 10, 2018
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March 8, 2018 10:25
1. TimerUpdates should use an ordered collection so that the most recent timestamp set by user code is the one taken throughout the system. 2. Application of TimerUpdates needs to keep all three data structures in sync. 3. Add unit tests that the data structures are consistent.
tgroh
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Mar 8, 2018
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Run Java PreCommit |
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I think this broke Fix: #4849 |
bjchambers
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Mar 15, 2018
Fix handling of timers in WatermarkManager 1. TimerUpdates should use an ordered collection so that the most recent timestamp set by user code is the one taken throughout the system. 2. Application of TimerUpdates needs to keep all three data structures in sync. 3. Add unit tests that the data structures are consistent. Added ParDoTest hangs when run with the DirectRunner prior to the other changes.
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Commit 1 adds a ParDo test that hangs the direct runner as described in BEAM-3806. Commit 2 fixes it.